Menu Close

Where does the chemical energy to produce ATP come from photosynthesis?

Where does the chemical energy to produce ATP come from photosynthesis?

During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.

Where does the energy come from to make ATP at the chloroplast apex?

Where does the energy come from to make ATP in the chloroplast? from the kinetic energy of hydrogen ions passing through ATP synthase.

Where is ATP produced during cellular respiration?

The first stage of cellular respiration is glycolysis. This process is shown in the top box in Figure 5.9. 3 showing a 6-carbon molecule being broken down into two 3-carbon pyruvate molecules. ATP is produced in this process which takes place in the cytosol of the cytoplasm.

What is released from ATP and provides energy?

ADP
When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).

How is ATP produced in photosynthesis?

The passing of the electron in the first part of the electron transport chain causes protons to be pumped from the stroma to the thylakoid lumen. Protons diffuse out of the thylakoid lumen through the enzyme, ATP synthase, producing ATP in the process.

What does the energy come from to make ATP in the light reactions?

In the light-dependent reactions, energy absorbed by sunlight is stored by two types of energy-carrier molecules: ATP and NADPH. The energy generated by the hydrogen ion stream allows ATP synthase to attach a third phosphate to ADP, which forms a molecule of ATP in a process called photophosphorylation.

Where do electrons get their energy in photosystem II apex?

The heart of photosystem II is the reaction center, where the energy of light is converted into the motion of energized electrons. At the center is a key chlorophyll molecule. When it absorbs light, one of its electrons is promoted to a higher energy.

What is the main source of energy for cellular respiration?

glucose molecule
The glucose molecule is the primary fuel for cellular respiration.